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Fall20131ConceptGeneration.Fall20131ConceptGeneration.1Fall20132ConceptGenerationTheideaofdoingastructuredprocesstogeneratedesignconceptsisoneofthemostdifficultconceptstoteach.Whatmakesitsohard?Haveyoueverdoneataskonlytofindoutlaterthattherewasaneasierway?Whydidyouchoosethehardermethod?Whataresomeexampleofbreak-through,outoftheboxthinking?Fall20132ConceptGenerationTh2Fall20133Phase1ConceptDevelopmentPhase2Phase5Phase4Phase3System-LevelDesignDetailDesignTestingandRefinementProductionRamp-upMissionStatementDevelopmentPlanConceptDevelopmentExhibit2Chapter3Ulrich&EppingerIdentifyCustomerNeedsEstablishTargetSpecsGenerateProductConceptsSelectaProductConceptTestProductConceptSetFinalSpecsPlanDownstreamDevelopmentPerformEconomicAnalysisBenchmarkCompetitiveProductsBuildandTestModelsandPrototypesConceptDevelopmentPhaseFall20133Phase1ConceptPhase3Fall201344Whyemphasizeearlyconceptgeneration?“Thoroughexplorationofalternativesearlyinthedevelopmentprocessgreatlyreducesthelikelihoodthattheteamwillstumbleuponasuperiorconceptlateinthedevelopmentprocessorthatacompetitorwillintroduceaproductwithdramaticallybetterperformancethantheproductunderdevelopment.”
UlrichandEppingerConceptgenerationanswersthequestionof“how”theproductwillsatisfythecustomerneedsasmappedintothefunctionalspecifications.ConceptGenerationFall201344Whyemphasizeearly4Fall20135ConceptgenerationConceptscreeningConceptscoringConcepttestingIterativeProcessofConceptGenerationTargetSpecificationChosenSolutionFall20135ConceptgenerationCo5Fall20136Reducethelikelihoodofcostlyproblemslaterinthedevelopmentprocess.Earlyconceptgenerationisaveryaffordablewayoflookingatalotofalternatives.Developsconfidenceintheteamthatyouarenotgoingtobesurprisedlateron.Aproductsolutionwithoutanalternativeisnotanacceptablesolution--AdvantagesofEarlyConceptGenerationFall20136Reducethelikelihoo6Fall20137Whataresomeoftheproblemsyoumayencounterw/oastructuredapproachtoconceptgeneration?Won’tconsidermanyalternatives.Influencedbythemostdominantpersonontheteam.Don’tconsiderproductconceptsfromothercompaniesorunrelatedproducts.Teamdoesn’tgeta“buyin”tothefinalproposal.Maymissentireanentirecategoryofsolutions.Fall20137Whataresomeofthe7Fall20138HomeDepotTheoremTimespentinProjectPlanning
=ComplexityoftheproblemDistancetothenearestHomeDepotstoreXHomeDepotCorollaryTimespentontheactualProjectComplexityoftheproblem=DistancetothenearestHomeDepotstoreFall20138HomeDepotTheoremT8Fall20139ConceptGenerationisa5stepprocessClarifytheproblem.Breakitdownintosub-problems,andprioritize.Searchexternallyforexistingsolutions=BOF’s.Searchinternally,usingindividualandgroupresources.Exploresystematically,usingconceptfragments.Reflectandevaluate.Thisisnotnecessarilyalinearprocess,itisusuallyiterative.Fall20139ConceptGenerationi9Fall201310Step1ClarifytheproblemStartwiththeCustomerneedsanalysisandFunctionalSpecsasinputslimitthescopeoftheproblem.Don’ttryto“boiltheocean”.Prioritizethecriticalsubsystemswhereyoucandifferentiateyourdesign.Youwillonlyhaveafewareaswhereyouwillneedtoapplytheformalprocess.Besuretolistthecriticalassumptionsyouaremakingabouttheproblem.Fall201310Step1Clarifythe10Fall201311DecompositionofdesignconceptsFunctionaldescriptioninputsoutputsTakea“systems”approachtodesignThegoalofproblemdecompositionistohelpidentifythefewcriticalfunctionsforyourdesign.EveryProductFunctionhasaseriesofinputsandoutputsthatdescribethebehaviorofthefunction.Fall201311Decompositionofd11Fall201312HandheldNailerThedesignteamdecomposedtheproblemintoseveralsubproblems:EnergySource,Material(nails),InitiateactionStoreorAcceptExternalenergyIsolateNailConvertEnergytoTranslationalenergyStoreNailsSenseinitiationTriggertoolApplyTranslationalEnergytonailEnergyInitiationactionNailsDrivenNailFall201312HandheldNailerThe12Fall201313In-classexercise#1Developadecompositionfunctiondiagramforoneofthedesignsubproblemsforyourproject.Whatwouldbesomeoftheinputsandoutputs.FunctionaldescriptioninputsoutputsFall201313In-classexercise#13Fall201314Step2SearchExternallyBeapirate!Takethebestideasthatothershavedevelopedandbuildonthem.Youdon’thavetodoeverythingperfectly.Itonlytakesacoupleofareasofdifferentiationtohaveasuccessinthemarket.WhattechnologyallowedHondatobecomealeaderintransportationvehicles.Reliableengines.HPinkjetprintersAninkthatcouldbeboiledtoproducedroplets.Coloredinks.Fall201314Step2SearchExter14Fall201315SearchExternallyInterviewleadusers.Consultindustryexperts.SearchPatents.Searchpublishedliterature.Benchmarkrelatedproducts.ForyouConceptGenerationandSelectiondocument,Iwantyoutoshowevidenceofatleasttwoareaswhereyouhaveresearchedsomeexternalinputsforconceptgenerations.Fall201315SearchExternally15Fall201316Step3SearchinternallyBecarefultoavoidassumingyouknowmorethanyoudoaboutasubject.Becarefultonotover-simplifyaproblem“Foreverycomplexproblemthereisasimple,easy-to-understand,wrong
answer.”ComplexproblemsusuallyhavecomplexsolutionsFall201316Step3Searchinter16Fall201317SearchinternallyUseyourpersonalandteamknowledgeandcreativitytogeneratesolutionconcepts.Someguidelinesforgeneratingconcepts:Suspendjudgment.Don’tbequicktojumptoconclusions.Generatealotofideas.Don’tspendtimeevaluatingideas,justcapturethem.Welcome“outofthebox”ideas.Don’tworryaboutfeasibilityduringtheinitialbrainstorming.Usegraphicalandvisualmethodstocaptureideas.Quickdrawingsandsketchesaregreat.Fall201317Searchinternally17Fall201318Step4ExploreSystematicallyAtthispointtheteamshouldhaveacollectionofconceptfragments—solutionstothesubproblems.Thegoalofsystematicexplorationistosynthesizeacompletesolutionfromtheconceptfragments.Theproblemisthatnotallfragmentswillworktogetherinafinalsolutionspace.Yourjobistocomeupwithpracticalconceptsfromallthepieces.Fall201318Step4ExploreSyst18Fall201319SystematicexplorationTherearetwotoolsthatcanhelptheteaminnavigatingthroughthemazeofconceptfragments:1.Theconceptclassificationtree,and,2.Theconceptcombinationtable.Conceptclassificationtreehelpstodividethesolutionsintoindependentcategories,Andtheconceptcombinationtablehelpsintheselectionofpossiblefragments.Fall201319Systematicexplorat19Fall201320SystematicexplorationconceptclassificationtreeStoreorAcceptenergyChemicalHydraulicElectricalPneumaticFuel-airsystemExplosiveSystemOilpressuresystemWalloutletBatteriesFuelCellExternalairsystemInternalairsystemFall201320Systematicexplorat20Fall201321ConceptclassificationtreeWhatarewetryingtoaccomplishwiththetree?Prunelesspromisingbranchesquickly.Identifyindependentapproachestotheproblem.Findwheregapsmayexistintheconceptfragments.Refinethethoughtprocessforaparticularbranch.Fall201321Conceptclassificat21Fall201322ConceptcombinationtableThisisatooltolinkfragmentsintocompletesolutions.Thefirststepistoidentifythegeneralfunctionaldiagramfortheanticipatedsolution.ConvertEnergytotranslationalenergyAccumulateTranslationalenergyApplyTranslationalenergytonailFall201322Conceptcombination22Fall201323ConceptcombinationtablesStep2istoputallconceptfragmentsintoacolumnofthecombinationtable.Thishelpstoidentifyifconceptfragmentsaremissingorredundant.Step3istolinkconceptfragmentsintocompletesolutions.Thisalsoshowswheremoreevaluationorexplorationisnecessary.Fall201323Conceptcombination23Fall201324ConceptcombinationtablesStep1-addfragmentstothetableConvertElectricalenergytotranslationalenergyAccumulateEnergyApplytranslationalenergytonailRotarymotorwithtransmissionLinearMotorSolenoidRailgunSpringMovingMassSingleimpactMultipleimpactPushnailFall201324Conceptcombination24Fall201325ConceptcombinationtablesStep2-connectfragmentsintosolutionsConvertElectricalenergytotranslationalenergyAccumulateEnergyApplytranslationalenergytonailRotarymotorwithtransmissionLinearMotorSolenoidRailgunSpringMovingMassSingleimpactMultipleimpactPushnailFall201325Conceptcombination25Fall201326ConceptcombinationtablesAsyoucansee,therearealotofcombinationsavailable.(4x2x3)Manyobviouslydon’tmakesenseandcanbequicklyeliminated.However,youoftenfindanewideabylookingatthepossiblecombinationsofconceptfragments.Remember,thisisaniterativeprocess,youmayhavetogobacktosquareonequiteoften.Fall201326Conceptcombination26Fall201327Step5ReflectandEvaluateAreyouconfidentthatthesolutionspacehasbeenadequatelyexplored?Doyouhavealternatefunctionaldiagrams?Canyoudecomposetheprobleminanalternateway?Haveyouconsideredexternalsources?Haveeveryone’sideasbeenconsideredandintegratedintotheprocess?Fall201327Step5Reflectand27Fall201328Developinnovativesolutionsthatwillmeetthetargetspecificationsthathavebeendeterminedbytheneedsofthecustomer.Finddesignconceptsthatwilldifferentiateoursolutionfromthecompetition.Insurethatyouhaven’toverlookedsomecriticalareasofthedesign.ConceptGeneration-SummaryFall201328ConceptGeneration-28Fall201329HomeworkassignmentCompletetheFSD.DueonThursSept26th.Linkittoyourteammanagementpageandemailacopytome.Emailmewith>5conceptalternativesforyouractualproject.WewilldiscusstheseinclassonThursday.Informationforthenextlectureisinchapter7,ConceptSelectioninUlrichandEppingerorintheclassnotes.Fall201329Homeworkassignment29Fall201330TheCompetencyMatrix
KnowledgeAwarenessYouknowYouDon'tKnowYouKnowYouDon'tKnowConsciousCompetentFactsanddataPastexperienceObservationsBOF’sUnconsciousCompetent
Skillsyoupossesseventhoughyoudon'tknowitDatayouknowthatyoudon'tknowyouwillneed.ConsciousIncompetent
Informationthatneedstoberesearched.Youfillfindpeoplewiththerequiredknowledge.YouwillavoidmakingassumptionswithoutdataUnconsciousIncompetent
Thisistheareatoavoid.Thisiswhereyougetreallysurprised.Don'tassumethatnotknowingwon'thurtyou.Fall201330TheCompetencyMatr30谢谢你的阅读知识就是财富丰富你的人生谢谢你的阅读知识就是财富31docin/sanshengshiyuandoc88/sanshenglu
更多精品资源请访问docin/sanshengshiyuan更多精品32Fall201333ConceptGeneration.Fall20131ConceptGeneration.33Fall201334ConceptGenerationTheideaofdoingastructuredprocesstogeneratedesignconceptsisoneofthemostdifficultconceptstoteach.Whatmakesitsohard?Haveyoueverdoneataskonlytofindoutlaterthattherewasaneasierway?Whydidyouchoosethehardermethod?Whataresomeexampleofbreak-through,outoftheboxthinking?Fall20132ConceptGenerationTh34Fall201335Phase1ConceptDevelopmentPhase2Phase5Phase4Phase3System-LevelDesignDetailDesignTestingandRefinementProductionRamp-upMissionStatementDevelopmentPlanConceptDevelopmentExhibit2Chapter3Ulrich&EppingerIdentifyCustomerNeedsEstablishTargetSpecsGenerateProductConceptsSelectaProductConceptTestProductConceptSetFinalSpecsPlanDownstreamDevelopmentPerformEconomicAnalysisBenchmarkCompetitiveProductsBuildandTestModelsandPrototypesConceptDevelopmentPhaseFall20133Phase1ConceptPhase35Fall20133636Whyemphasizeearlyconceptgeneration?“Thoroughexplorationofalternativesearlyinthedevelopmentprocessgreatlyreducesthelikelihoodthattheteamwillstumbleuponasuperiorconceptlateinthedevelopmentprocessorthatacompetitorwillintroduceaproductwithdramaticallybetterperformancethantheproductunderdevelopment.”
UlrichandEppingerConceptgenerationanswersthequestionof“how”theproductwillsatisfythecustomerneedsasmappedintothefunctionalspecifications.ConceptGenerationFall201344Whyemphasizeearly36Fall201337ConceptgenerationConceptscreeningConceptscoringConcepttestingIterativeProcessofConceptGenerationTargetSpecificationChosenSolutionFall20135ConceptgenerationCo37Fall201338Reducethelikelihoodofcostlyproblemslaterinthedevelopmentprocess.Earlyconceptgenerationisaveryaffordablewayoflookingatalotofalternatives.Developsconfidenceintheteamthatyouarenotgoingtobesurprisedlateron.Aproductsolutionwithoutanalternativeisnotanacceptablesolution--AdvantagesofEarlyConceptGenerationFall20136Reducethelikelihoo38Fall201339Whataresomeoftheproblemsyoumayencounterw/oastructuredapproachtoconceptgeneration?Won’tconsidermanyalternatives.Influencedbythemostdominantpersonontheteam.Don’tconsiderproductconceptsfromothercompaniesorunrelatedproducts.Teamdoesn’tgeta“buyin”tothefinalproposal.Maymissentireanentirecategoryofsolutions.Fall20137Whataresomeofthe39Fall201340HomeDepotTheoremTimespentinProjectPlanning
=ComplexityoftheproblemDistancetothenearestHomeDepotstoreXHomeDepotCorollaryTimespentontheactualProjectComplexityoftheproblem=DistancetothenearestHomeDepotstoreFall20138HomeDepotTheoremT40Fall201341ConceptGenerationisa5stepprocessClarifytheproblem.Breakitdownintosub-problems,andprioritize.Searchexternallyforexistingsolutions=BOF’s.Searchinternally,usingindividualandgroupresources.Exploresystematically,usingconceptfragments.Reflectandevaluate.Thisisnotnecessarilyalinearprocess,itisusuallyiterative.Fall20139ConceptGenerationi41Fall201342Step1ClarifytheproblemStartwiththeCustomerneedsanalysisandFunctionalSpecsasinputslimitthescopeoftheproblem.Don’ttryto“boiltheocean”.Prioritizethecriticalsubsystemswhereyoucandifferentiateyourdesign.Youwillonlyhaveafewareaswhereyouwillneedtoapplytheformalprocess.Besuretolistthecriticalassumptionsyouaremakingabouttheproblem.Fall201310Step1Clarifythe42Fall201343DecompositionofdesignconceptsFunctionaldescriptioninputsoutputsTakea“systems”approachtodesignThegoalofproblemdecompositionistohelpidentifythefewcriticalfunctionsforyourdesign.EveryProductFunctionhasaseriesofinputsandoutputsthatdescribethebehaviorofthefunction.Fall201311Decompositionofd43Fall201344HandheldNailerThedesignteamdecomposedtheproblemintoseveralsubproblems:EnergySource,Material(nails),InitiateactionStoreorAcceptExternalenergyIsolateNailConvertEnergytoTranslationalenergyStoreNailsSenseinitiationTriggertoolApplyTranslationalEnergytonailEnergyInitiationactionNailsDrivenNailFall201312HandheldNailerThe44Fall201345In-classexercise#1Developadecompositionfunctiondiagramforoneofthedesignsubproblemsforyourproject.Whatwouldbesomeoftheinputsandoutputs.FunctionaldescriptioninputsoutputsFall201313In-classexercise#45Fall201346Step2SearchExternallyBeapirate!Takethebestideasthatothershavedevelopedandbuildonthem.Youdon’thavetodoeverythingperfectly.Itonlytakesacoupleofareasofdifferentiationtohaveasuccessinthemarket.WhattechnologyallowedHondatobecomealeaderintransportationvehicles.Reliableengines.HPinkjetprintersAninkthatcouldbeboiledtoproducedroplets.Coloredinks.Fall201314Step2SearchExter46Fall201347SearchExternallyInterviewleadusers.Consultindustryexperts.SearchPatents.Searchpublishedliterature.Benchmarkrelatedproducts.ForyouConceptGenerationandSelectiondocument,Iwantyoutoshowevidenceofatleasttwoareaswhereyouhaveresearchedsomeexternalinputsforconceptgenerations.Fall201315SearchExternally47Fall201348Step3SearchinternallyBecarefultoavoidassumingyouknowmorethanyoudoaboutasubject.Becarefultonotover-simplifyaproblem“Foreverycomplexproblemthereisasimple,easy-to-understand,wrong
answer.”ComplexproblemsusuallyhavecomplexsolutionsFall201316Step3Searchinter48Fall201349SearchinternallyUseyourpersonalandteamknowledgeandcreativitytogeneratesolutionconcepts.Someguidelinesforgeneratingconcepts:Suspendjudgment.Don’tbequicktojumptoconclusions.Generatealotofideas.Don’tspendtimeevaluatingideas,justcapturethem.Welcome“outofthebox”ideas.Don’tworryaboutfeasibilityduringtheinitialbrainstorming.Usegraphicalandvisualmethodstocaptureideas.Quickdrawingsandsketchesaregreat.Fall201317Searchinternally49Fall201350Step4ExploreSystematicallyAtthispointtheteamshouldhaveacollectionofconceptfragments—solutionstothesubproblems.Thegoalofsystematicexplorationistosynthesizeacompletesolutionfromtheconceptfragments.Theproblemisthatnotallfragmentswillworktogetherinafinalsolutionspace.Yourjobistocomeupwithpracticalconceptsfromallthepieces.Fall201318Step4ExploreSyst50Fall201351SystematicexplorationTherearetwotoolsthatcanhelptheteaminnavigatingthroughthemazeofconceptfragments:1.Theconceptclassificationtree,and,2.Theconceptcombinationtable.Conceptclassificationtreehelpstodividethesolutionsintoindependentcategories,Andtheconceptcombinationtablehelpsintheselectionofpossiblefragments.Fall201319Systematicexplorat51Fall201352SystematicexplorationconceptclassificationtreeStoreorAcceptenergyChemicalHydraulicElectricalPneumaticFuel-airsystemExplosiveSystemOilpressuresystemWalloutletBatteriesFuelCellExternalairsystemInternalairsystemFall201320Systematicexplorat52Fall201353ConceptclassificationtreeWhatarewetryingtoaccomplishwiththetree?Prunelesspromisingbranchesquickly.Identifyindependentapproachestotheproblem.Findwheregapsmayexistintheconceptfragments.Refinethethoughtprocessforaparticularbranch.Fall201321Conceptclassificat53Fall201354ConceptcombinationtableThisisatooltolinkfragmentsintocompletesolutions.Thefirststepistoidentifythegeneralfunctionaldiagramfortheanticipatedsolution.ConvertEnergytotranslationalenergyAccumulateTranslationalenergyApplyTranslationalenergytonailFall201322Conceptcombination54Fall201355ConceptcombinationtablesStep2istoputallconceptfragmentsintoacolumnofthecombinationtable.Thishelpstoidentifyifconceptfragmentsaremissingorredundant.Step3istolinkconceptfragmentsintocompletesolutions.Thisalsoshowswheremoreevaluationorexplorationisnecessary.Fall201323Conceptcombination55Fall201356ConceptcombinationtablesStep1-addfragmentstothetableConvertElectricalenergytotranslationalenergyAccumulateEnergyApplytranslationalenergytonailRotarymotorwithtransmissionLinearMotorSolenoidRailgunSpringMovingMassSingleimpactMultipleimpactPushnailFall201324Conceptcombination56Fall201357ConceptcombinationtablesStep2-connectfragmentsintosolutionsConvertElectricalenergytotranslationalenergyAccumulateEnergyApplytranslationalenergytonailRotarymotorwithtransmissionLinearMotorSolenoidRailgunSpringMovingMassSingleimpactMultipleimpactPushnailFall201325Conceptcombination5
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